Home / 9,412.12-13,005.64-6,754.86

Finding the Fourth Proportional to 9,412.12, 13,005.64 and 6,754.86

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Solution

The fourth proportional to 9,412.12, 13,005.64 and 6,754.86 is: 9,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.12 : 13,005.64 = 6,754.86 : x
  2. Step 2: Convert to fraction form
    9,412.12/13,005.64 = 6,754.86/x
  3. Step 3: Cross multiply
    9,412.12x = 13,005.64 × 6,754.86
  4. Step 4: Simplify right side
    9,412.12x = 87,851,277.41
  5. Step 5: Solve for x
    x = 87,851,277.41/9,412.12
  6. Step 6: Final answer
    x = 9,333.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.